Material:65Mn, 301 stainless steel, 50CrV4, 60Si2Mn or as customer's request.
Size:All size according to DIN2093, GB/T1972-2005.
Standard:DIN2093, GB/T1972-2005.
Surface treatment: Black ,  Nickel plating or as customer's request.
Advantage:
1: No deformation or fatigue under normal loads.
2: High energy storage capacity
3: Long service life
4: Space saving 

Our company:

Why Choose Us?
1:Industrial experience
We specialized in the spring field since the year of 1975
Advantage equipment
2:There are more than 80 sets advanced produciton  equipments and quality control toold for satisfying 100% request from raw material incoming inspection to goods outgoing.
Sample availability 
3:We can send samples for your approval within 10 days; Free of charge if we have availble tool.
Quickly Delivery
4:As usual within 10 days.
Good service and best quality 
5:Our business belief is "best competitive price, good service and best quality